<template>
    <div id="sidebar">
        <div class="slider-bar">
            <h2 class="single-title">
                分类
            </h2>
            <el-menu
                default-active="2"
                class="el-menu-vertical-demo"
                @open="handleOpen"
                @close="handleClose">
                <el-submenu index="1">
                    <template slot="title">
                        <span>导航一</span>
                    </template>
                    <el-menu-item-group>
                        <template slot="title">分组一</template>
                        <el-menu-item index="1-1">选项1</el-menu-item>
                        <el-menu-item index="1-2">选项2</el-menu-item>
                    </el-menu-item-group>
                    <el-menu-item-group title="分组2">
                        <el-menu-item index="1-3">选项3</el-menu-item>
                    </el-menu-item-group>
                    <el-submenu index="1-4">
                        <template slot="title">选项4</template>
                        <el-menu-item index="1-4-1">选项1</el-menu-item>
                    </el-submenu>
                </el-submenu>
                <el-menu-item index="2">
                    <i class="el-icon-menu"></i>
                    <span slot="title">导航二</span>
                </el-menu-item>
                <el-menu-item index="3" disabled>
                    <i class="el-icon-document"></i>
                    <span slot="title">导航三</span>
                </el-menu-item>
                <el-menu-item index="4">
                    <i class="el-icon-setting"></i>
                    <span slot="title">导航四</span>
                </el-menu-item>
            </el-menu>
        </div>
    </div>
</template>
<script>
export default {
    methods:{
         handleOpen(key, keyPath) {
            console.log(key, keyPath);
        },
        handleClose(key, keyPath) {
            console.log(key, keyPath);
        },
    }
    
}
</script>
<style lang="scss" scoped>
#sidebar{
    .slider-bar{
            width: 266px;
            border: 1px solid #b3b3b3;
            margin-right: 24px;           
            .single-title{        
                height: 56px;
                line-height: 56px;
                padding-left:18px; 
                font-size: 22px;
                font-weight: normal;
                background-color: #fff;
            }
        }
}

</style>

